SDR ASAA2016031015884

Service difficulty report · Warning Light · Boeing 737990ER

Difficulty date: March 10, 2016
Submitted: March 14, 2016
Operation: Air carrier
Aircraft: N433AS
Make and model: Boeing 737990ER
Aircraft serial: 41704
Aircraft time: 9,475 hours, 3,036 cycles
System (JASC): 2210 · Autopilot System
Part: Warning Light
Condition: False Activation
Stage of operation: TX
How discovered: O
Nature of condition: N
Precautionary procedure: D

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

UPON PUSHBACK ON RECALL, SPEED TRIM AND MACH TRIM LIGHTS CAME ON. RETURNED TO GATE. ACFT GROUNDED. CYCLED POWER TO AFCC OPS RESTORED. MACH TRIM & SPEED TRIM CHECKS OK, IAW AMM 22-11-00, PB 201, DFCS BITE TESTS 10,13, AND 14. ACFT DOWNGRADE TO CAT 1 STATUS PLACARD SCREW MOVED TO STOWED POSITION. REF L/P-11494198 FOR CAT STATUS. NOTE PREVIOUSLY GROUND POWER DROPPED OFF AT GATE.